Issue #10912 has been updated by Teppei Fukuda.


I also want a method to determine whether an address is link-local.
There is a proposal for a fix on https://github.com/ruby/ruby/pull/1494 .

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Feature #10912: Add method(s) to IPAddr for determining whether an address is link local
https://bugs.ruby-lang.org/issues/10912#change-61759

* Author: Hal Brodigan
* Status: Open
* Priority: Normal
* Assignee: 
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I was surprised to find that IPAddr has no methods for determining whether an address is a link local address (ie RFC1918 or RFC5735). This would make it easy to blacklist local IP addresses from services.



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